Mineral facts and problems choyomite : 
Published by technical consultancy , mining research and publication division , Indian bureaw of mines , ministry of steel and mines,  Nagpur (India) 
 - ii :  I B M Press ,  1982 
 - 460 p.:  28 cm. 
 - Monograph no. 6 ; .
<br/><br/><label>ISBN: </label> Rs.90 
<br/><br/><label>Dewey Class. No.: </label>549.52